4505012400 has 120 divisors (see below), whose sum is σ = 16492666624. Its totient is φ = 1029715200.

The previous prime is 4505012387. The next prime is 4505012483. The reversal of 4505012400 is 42105054.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259756 + ... + 276555.

Almost surely, 2^4505012400 is an apocalyptic number.

4505012400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4505012400 is an abundant number, since it is smaller than the sum of its proper divisors (11987654224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4505012400 is a wasteful number, since it uses less digits than its factorization.

4505012400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536339 (or 536328 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4505012400 is about 67119.3891509748. The cubic root of 4505012400 is about 1651.5763814434.

Adding to 4505012400 its reverse (42105054), we get a palindrome (4547117454).

The spelling of 4505012400 in words is "four billion, five hundred five million, twelve thousand, four hundred".